Spreading sequences design is one of the key task in the direct-sequence spread spectrum communication systems.
扩频序列设计是直接序列扩频通信系统的关键课题之一。
This paper introduces an AFC algorithm for a zero-intermediate frequency direct-sequence spread spectrum digital receiver.
为了使得射频源和波导管的频率保持一致 ，采用了自动频率控制系统 （AFC）。
The paper introduces the basic composition of transmitter and receiver in direct-sequence spread spectrum system and gives the detailed design block diagram of the receiver.
针对直接序列扩频信号，介绍了其发射和接收部分基本组成，给出了系统接收部分的具体设计框图。
Oozie workflow is a collection of actions (i.e. Hadoop Map/Reduce jobs, Pig jobs) arranged in a control dependency DAG (Direct Acyclic Graph), specifying a sequence of actions execution.
Oozie工作流是放置在控制依赖DAG（有向无环图Direct Acyclic Graph）中的一组动作（例如，Hadoop的Map/Reduce作业、Pig作业等），其中指定了动作执行的顺序。
However, P8 does not provide direct access to database sequence number types, so you must use other mechanisms.
不过，P 8不提供对数据库序列号类型的直接访问，因此您必须使用其他机制。
There is every indication that Direct-Sequence Code Division Multiple Access (DS-CDMA) will be one of the multiple access schemes for the third generation wireless mobile systems.
对于第三代无线移动通信系统，直接序列码分多址将是一种主要的接入技术。
Direct sequence spread spectrum communications is one of the most typical spread spectrum modes.
其中直接序列扩频通信是目前使用最典型的扩频工作方式。
It mainly contains the digital modulate system, the SS communication theory and the direct sequence spread spectrum (DSSS) system.
主要是数字调制系统、扩展频谱通信原理和直接序列扩频系统等内容。
The performance of Direct Sequence Spread Spectrum(DSSS) in severe pulsed noise interference will be badly degraded when the duty factor is small.
当脉冲干扰占空比较小时，干扰能量集中，导致直接序列扩频（DSSS）系统的误码性能较差。
There are two main alternatives, Direct Sequence Spread Spectrum and Frequency Hopping Spread Spectrum.
主要有两种选择，直接序列扩频和跳频扩频。
A better method for direct sequence spread spectrum (DSSS) receiver to decrease the acquisition time is proposed.
提出一种减小直接序列扩频(DSSS)接收机信号捕获时间的改进方法。
An algorithm for the suppression of narrowband interference in the direct sequence spread-spectrum (DSSS) systems is presented.
提出了直接序列扩频通信系统中抑制窄带干扰的一种算法。
Presented in this paper is a direct sequence spread spectrum radio based on virtual technique in which direct sequence spread spectrum, software radio and virtual technique are combined.
文中提出的虚拟式直接序列扩频通信电台将直接序列扩频通信、软件无线电和虚拟技术相结合。
In direct sequence spread spectrum communication system, enemy is assumed to detect whole PN sequence chip by chip and a modulated retransmitted interference is created.
在直接序列扩频通信系统中，假设敌方能够逐个比特地检测到整个PN序列，并产生一个调制的转发干扰。
A direct sequence spread spectrum (DSSS) receiver has strict requirement on local carrier's synchronization, and always needs complex circuits.
直接序列扩频接收机对本地载波的同步要求非常严格，以往所需电路复杂。
The principle of direct sequence spread spectrum ranging is introduced and the echo model of near field ranging is discussed.
论述了直接序列扩频测距的原理，研究了近距离测距的回波模型。
Direct sequence code division multiple access (DS/CDMA) as a technique for underwater acoustic networks is attracting attention from researchers.
直接序列码分多址（DS/CDMA）是一种受关注的水下声通信网多址接入方案。
According to the signal synchronization of LEO's direct sequence spread spectrum (DSSS) communication, a method based on software radio platform was described.
本文针对低轨卫星直接序列扩展频谱(DSSS)通信中的信号同步问题，提出了基于软件无线电平台的处理方法。
This paper discusses the despread of low signal to noise ratio of the direct sequence (DS) spread spectrum signals using intermediate-frequency recirculation summation loop (IFRSL).
本文讨论了用中频积累法实现低信噪比直接序列扩频信号的解扩。
In the spread spectrum communication, direct sequence spread spectrum (DSSS) and frequency hopping (FH) are the two kinds of most widely used spread spectrum technologies.
在扩频通信技术中，直接序列扩频和跳频是应用最广的两种扩频技术。
Based on the mechanism of direct sequence spread spectrum (DSSS), an analysis is made of the anti noise capability of the DSSS and its advantages and disadvantages are proposed.
在直接序列扩频机理的基础上，就其抗干扰能力给出了理论分析，并指出其优点及不足之处。
The orthogonal frequency division and the direct sequence spread spectrum technology are effective methods.
正交频分复用和直接序列扩频技术是解决该问题的有效手段。
Direct sequence spread spectrum technique is the most widely used one and the kernel of the spreading spectrum techniques for people to study.
直接序列扩频技术是应用最广的一种扩频技术，研究它便于掌握扩频技术的精髓。
In direct sequence spread spectrum communication system when the spreading gain is limited, the performance of the communication system will be impacted by the strong power of narrowband interference.
在直接序列扩频通信系统的扩频增益受限时，强功率的窄带干扰对系统性能影响较大。
Secondly, the system physical layer's key technology—Direct Sequence Spread Spectrum (DSSS) is described.
在详细说明了扩频通信的理论基础之后，对直接序列扩频技术及系统作了介绍。
On the basis of principle and struture of GM(1, 1)model, and a series of derivation and transformation, the direct model operation method from original sequence was given.
从GM（1，1）的建模原理和模型结构特征出发，通过一系列的推导、变换，给出了直接从原始序列出发求解模型的方法。
The hull block assembly plays a significant role in the process of shipbuilding, and block assembly sequence planning (ASP) has direct effect on building efficiency of the hull.
船体分段装配在船体的建造过程中有着举足轻重的地位，船体分段装配序列规划的好坏直接影响到船体的建造效率。
Results PCR, restriction endonuclease method and direct sequence analysis demonstrated that plasmids of YMDD, YVDD and YIDD were constructed successfully.
结果经pcr方法、酶切鉴定及直接测序鉴定出YMDD、YVDD和YIDD质粒构建成功，且该方法具有较好的敏感性和特异性。
As the direct application for recovering response function from a video sequence, we use the response curve calibrated above to solve the problem of pixel value differences in panorama.
作为视频序列的高动态图像获取的直接应用，本文用视频序列标定的响应曲线来校正全景图的颜色差异。
As the direct application for recovering response function from a video sequence, we use the response curve calibrated above to solve the problem of pixel value differences in panorama.
作为视频序列的高动态图像获取的直接应用，本文用视频序列标定的响应曲线来校正全景图的颜色差异。
应用推荐